Complies a) Organic Nitrogenous Bases: The UV absorption spectrum of the solution and the Standard solution exhibits maxima and minima at the same wavelengths; and the respective absorptivities, calculated on the dried basis, do not differ by more than 3.0% .

Complies b) Chloride: A 20- mg/ mL solution meets the requirements of the tests, the procedure for alkaloidal hydrochlorides being used.